MI Max 3 (model M1804E4A) LTE bands? - Xiaomi Mi Max 3 Questions & Answers

According to official Mi Max 3 website:
LTE band support: B1, B3, B4, B5, B7, B8, B20
I just bought a Global version model: M1804E4A:
The user guide indicates band support: 1/3/7/8/20/34/38/40 (Bands 4 & 5 are missing !!??)
WIthout Bands 4 & 5 - I'm guessing I can't get onto AT&T and TMobile ?
Does anyone know if there is a code dialler to check what LTE band is being supported by Mi Max 3 ?
For folks using mi max 3 in USA successfully - may I know what is your model number?
I see 3 model variants on various websites: M1804E4A , M1804E4C, M1804E4T - anyone knows what the differences are?
Thanks !!

Screenshot from same global model. All those listed online are supported. Looks like they copied user guide from Mi Max 1/2 to save money...
For model #s nobody knows and until we start collecting data nobody will know for sure. My guess would be China 4GB and 6GB RAM, and Global. Second guess - diffident hardware variants regarding display and touchscreen, 2 each in kernel -> 4 possible configurations...

Wow thanks for your reply, how do you you get your phone to display the LTE bands? Is it difficult to do? Thanks

root + Network Guru

Related

Add LTE Band 3 to OP3?

Hi guys, so after a bit of research I found that you can add/enable bands on the OP1 as shown here
http://forum.xda-developers.com/oneplus-one/general/guide-unlock-aditional-bands-qualcomm-t2877031
and Here
http://forum.xda-developers.com/showpost.php?p=56577252&postcount=455
My question is can I add LTE band 3 to my OP3 A3000?
Mine currently supports:
North America model(A3000)
FDD-LTE: Bands 1/2/4/5/7/12/17/30
The other models support:
Europe / Asia model
FDD-LTE: Bands 1/3/5/7/8/20
TDD-LTE: Bands 38/40
China model
FDD-LTE : Bands 1/3/7
TDD-LTE: Bands 38/39/40/41
If anyone has done this or attempted to do this please let me know
Looking for the same information.
Also been searching for this. Found another thread which says hopefully in the next month or two it will be looked into.
http://forum.xda-developers.com/oneplus-3/help/unlocking-lte-bands-t3425871
Could this even be possible? Aren't bands hardware dependant?
duluc said:
Could this even be possible? Aren't bands hardware dependant?
Click to expand...
Click to collapse
Its possible to add bands in Qualcomm devices .. i added h+ band in my Xiaomi mi note 1year ago. (Snapdragon 801) ... Somewhere in xda exist a tutorial to add bands in xiaomi mi note pro. Try the steps in oneplus ... But make sure you nandroid backup and EFS backup.
Sent from my ONEPLUS A3003 using XDA-Developers mobile app
duluc said:
Could this even be possible? Aren't bands hardware dependant?
Click to expand...
Click to collapse
This is what I'd assume as well, but it looks like some have been successful in the past with Oneplus devices. Especially since Oneplus' response to the band omissions seemed a bit vague IMO.
Any updates?
I have a A3000 US model (Does not support LTE band 3)
AND NOW
I have just got a A3000 HK model (For my dad) (support's LTE band 3)
and the "about phone" part is identical apart from the baseband version.
Is there any way to tell them apart. And does this mean I can somehow unlock LTE band 3 on my US version of the OP3?
If there was someway to backup the basband and restore it on on my US OP3 that would also be great!
DarkN3ss61 said:
I have just got a A3000 HK model (For my dad) (support's LTE band 3)
Click to expand...
Click to collapse
The HK model is A3003 so you actually have a China model.
bulletmark said:
The HK model is A3003 so you actually have a China model.
Click to expand...
Click to collapse
Opps, either way, it still has LTE band 3 which I need on my US version
Any news on adding bands to the OP3?
aqqalu said:
Any news on adding bands to the OP3?
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Click to collapse
AFAIK there isn't yet a way, but I would suggest to follow the most active thread on the subject:
http://forum.xda-developers.com/oneplus-3/help/unlocking-lte-bands-t3425871/page6
Hopefully something will come up..
Can this work on all carriers? Whether in North America or over seeas?
I've got OP3T A3000, tried multiple files and instructions to unlock LTE band 3 on it, no luck so far. Downgraded to Nougat, Oreo, different zip files, qcn files, hex editing stuff, most of these process went error free with still no band 3.

Unlocking 5s Bands ?

Has anyone successfully unlocked all the frequency bands for the 5s. I did see a thread on the Mi5 being unlocked. Secondly if they can be unlocked does it actually work on all the North American LTE bands, specifically Rogers in Canada.
any help appreciated.....if it can be done I'll be buying the phone. I like the specs.
I'm a bit confused at what you're asking here. 1 minute of googling tells me Rodgers only supports LTE bands 4, 7 (with 12 being deployed) and only in 'select markets' (source: https://en.wikipedia.org/wiki/Rogers_Wireless#LTE)
Further 2 seconds of googling shows me that the mi 5s radio only supports LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 38(2600), 39(1900), 40(2300), 41(2500) (source: http://www.gsmarena.com/xiaomi_mi_5s-7260.php)
So basic logic is telling me that if have Rodgers, and you don't have coverage by band 7, you don't have LTE.
There is no magical bullet to make a radio support frequencies it does not support. (RTFM).
Seems some people have had some success:
https://forum.xda-developers.com/cr...ad-progress-please-leave-im-updating-t2871269
alloysious,
OP is inquiring whether frequency band 4 can be unlocked for Mi5S?
viperpiper,
Please keep posted, if you come across any info that help to unlock the band 4 for Mi5S. I am also looking for that.
macwindows said:
alloysious,
OP is inquiring whether frequency band 4 can be unlocked for Mi5S?
viperpiper,
Please keep posted, if you come across any info that help to unlock the band 4 for Mi5S. I am also looking for that.
Click to expand...
Click to collapse
Try this:
From Dialer: *#*#4636#*#*
Select SIM you want (for me was 'Phone info2')
Select 'TD-SCDMA, DMS/WCDMA and LTE' to change your radio settings
Select last one on list above Unknown.
(for me was TD-SCDMA, LTE, CDMA, EVDO, GSM/WCDMA)
You should now have everything your radio supports enabled.
--- edit---
Looks like some others on this forum have had some success with other phones. Try it out and let us know-
https://forum.xda-developers.com/cr...ad-progress-please-leave-im-updating-t2871269
Is somebody going to try?
I just saw, from what I could read, is that the original Mi5 (not the Mi5s) they managed to unlock all the bands but 20. So could the same method be used and if so would that make the Mi5s compatible with North American carriers ?
viperpiper said:
I just saw, from what I could read, is that the original Mi5 (not the Mi5s) they managed to unlock all the bands but 20. So could the same method be used and if so would that make the Mi5s compatible with North American carriers ?
Click to expand...
Click to collapse
Not sure - you should give it a try, if you currently don't have a working LTE phone
So OP did it work? could you unlock band 4?
I've been following this thread: https://forum.xda-developers.com/mi-5/how-to/progress-trying-to-unlock-bands-t3337476/page71. Nothing good has happened so far on b20.

Just released Mi mix 2s LTE bands??

Hello, I heard a rumour to use the new mi mix 2s in the USA you need to buy the 8gb ram/256 model?
Anyone know if that is true. I would prefer to use the lower versions of the mi mix 2s on T-Mobile in the USA but worried it won't work.
stu5797 said:
Hello, I heard a rumour to use the new mi mix 2s in the USA you need to buy the 8gb ram/256 model?
Anyone know if that is true. I would prefer to use the lower versions of the mi mix 2s on T-Mobile in the USA but worried it won't work.
Click to expand...
Click to collapse
I doubt that's true. The bands are the same and the Mix2 works on both gsm and cdma (Verizon) lte. Since the new T-Mobile bands (band 60?) aren't widely deployed, I don't think you'll have a problem.
stu5797 said:
Hello, I heard a rumour to use the new mi mix 2s in the USA you need to buy the 8gb ram/256 model?
Anyone know if that is true. I would prefer to use the lower versions of the mi mix 2s on T-Mobile in the USA but worried it won't work.
Click to expand...
Click to collapse
You should be fine...like the post above stated, the main T-Mobile frequencies are present. However, you will be missing band 66 and 71, the latter of which is becoming more and more important (the state of Wyoming, for instance, is almost exclusively band 71 on T-Mobile). Unfortunately it may take a while for Xiaomi or similar phones to support band 71 as it's been really slow in getting manufacturers to adopt this band, excepting Samsung, LG, and Moto. But in any case, all variants of the Xiaomi Mi Mix 2S do have the vast majority of T-Mobile's network covered vis-a-vis LTE banding.
It looks like all global versions of the Mi Mix 2S are compatible with T-Mobile LTE. But only the 256GB version of the Mi Mix 2S is compatible with Verizon. So if you're only worried about T-Mobile you should be fine.
I'm also in the same doubt..
Here in France we get the new b28 lte band, which is perfectly supported in the mi mix 2 whatever version, but in the 2s, it seems to be only supported on the 256 go/international version which is very very expensive!
But on some merchant (gearbest, aliexpress, etc...) the description of 64go global version say b28 lte band compatible...
Both 256go and 64go get the same cpu, snapdragon 845, and then the same lte modem...
So is there a chance to get a 64go global version compatible with this lte band, or could it possible to unlock the missing band with some tweaks???

How can I find out with certainty that LTE is covered

In my location considering the li ited amount amount of 4G Bands the Mi Max 3 handles? I don't mind using ATT or T-Mobile but I am less then confident relying on their sale person's answers.
Thanks!
Motleyscrew said:
In my location considering the li ited amount amount of 4G Bands the Mi Max 3 handles? I don't mind using ATT or T-Mobile but I am less then confident relying on their sale person's answers.
Thanks!
Click to expand...
Click to collapse
I use Cricket which is part of AT&T...so for 3G and LTE, both signals is quite spot on. I just got mly Mix Max 3 yesterday and i switch my sim from another Xiaomi device to give you an idea that Xiaomi Phones can handle that company, but you can go to Tmobile and have them test it out.
Wmateria said:
I use Cricket which is part of AT&T...so for 3G and LTE, both signals is quite spot on. I just got mly Mix Max 3 yesterday and i switch my sim from another Xiaomi device to give you an idea that Xiaomi Phones can handle that company, but you can go to Tmobile and have them test it out.
Click to expand...
Click to collapse
Are you running global or Chinese rom?
NVoltaire said:
Are you running global or Chinese rom?
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Click to collapse
Doesn't matter...
NVoltaire said:
Are you running global or Chinese rom?
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Click to collapse
Global, but have tried Chinese Rom.. there is no difference.
Celmapper uses data collected by volunteers using the cellmapper apps for Android and IOS. It will show you LTE and GSM bands used in areas where volunteers have collected data. https://www.cellmapper.net/Index
Motleyscrew said:
In my location considering the li ited amount amount of 4G Bands the Mi Max 3 handles? I don't mind using ATT or T-Mobile but I am less then confident relying on their sale person's answers.
Thanks!
Click to expand...
Click to collapse
I have exactly the same question:
According to official Mi Max 3 website:
LTE band support: B1, B3, B4, B5, B7, B8, B20
I just bought a Global version model: M1804E4A:
The user guide indicates band support: 1/3/7/8/20/34/38/40 (Bands 4 & 5 are missing !!??)
WIthout Bands 4 & 5 - I'm guessing I can't get onto AT&T and TMobile ?
ALso is there a code dialler to check what LTE band is being support by model: M1804E4A?
For folks using mi max 3 in USA successfully - may I know what is your model number?
Thanks !!

Global model PCT-L29 supports band 2?

I read on Honor's global page that it supports band 2 (China version didn't) can anyone verify that the global model supports band 2. Thanks!!
MixEvo said:
I read on Honor's global page that it supports band 2 (China version didn't) can anyone verify that the global model supports band 2. Thanks!!
Click to expand...
Click to collapse
Honor View 20 support Band 2.
4G LTE FDD: B1/B2/B3/B4/B5/B6/B7/B8/B19/B20/B28
https://www.hihonor.com/global/products/smartphone/honorview20/spec/
letschky said:
Honor View 20 support Band 2.
4G LTE FDD: B1/B2/B3/B4/B5/B6/B7/B8/B19/B20/B28
https://www.hihonor.com/global/products/smartphone/honorview20/spec/
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Thank you!!! I got the phone today and am getting LTE , that was the main reason for getting rid of the china model . thanks for your help

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